/* ===== 外贸机械公司B2B主题样式 ===== */

/* ===== 图片轮播组件样式 ===== */
.carousel-section {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    background-color: #f1f5f9;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 轮播文字相关样式已移除 - 不再需要文字覆盖层
.carousel-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-content {
    text-align: center;
    color: white;
}

.carousel-content h3 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.carousel-content p {
    font-size: 1.125rem;
}
*/

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: background-color 0.2s ease;
    z-index: 10;
}

.carousel-nav:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.carousel-prev {
    left: 1rem;
}

.carousel-next {
    right: 1rem;
}

.carousel-nav svg {
    width: 24px;
    height: 24px;
}

.carousel-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.carousel-indicator.active {
    background-color: white;
}

/* 平板设备 */
@media (max-width: 1024px) and (min-width: 769px) {
    .carousel-section {
        height: 500px;
    }
}

/* 移动设备 */
@media (max-width: 768px) {
    .carousel-section {
        height: 450px;
    }
    
    /* 轮播文字样式已移除
    .carousel-content h3 {
        font-size: 1.5rem;
    }
    
    .carousel-content p {
        font-size: 1rem;
    }
    */
    
    .carousel-nav {
        padding: 8px;
    }
    
    .carousel-nav svg {
        width: 20px;
        height: 20px;
    }
}

/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 网格系统 ===== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6,
.col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12,
.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
.col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12,
.col-sm-1, .col-sm-2, .col-sm-3, .col-sm-4, .col-sm-5, .col-sm-6,
.col-sm-7, .col-sm-8, .col-sm-9, .col-sm-10, .col-sm-11, .col-sm-12 {
    position: relative;
    width: 100%;
    padding: 0 15px;
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
    .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-lg-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
    .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-sm-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
    .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ===== 头部样式 ===== */
.header {
    background: #fff;
    border-bottom: 1px solid #e5e5e5;
}

/* 公司横幅 */
.company-banner {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 30px 0;
    border-bottom: 1px solid #1e40af;
    color: white;
}

.banner-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

/* 供应商徽章 */
.supplier-badge {
    display: flex;
    align-items: center;
    gap: 15px;
}

.badge-years {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    text-align: center;
    min-width: 80px;
}

.years-number {
    font-size: 24px;
    font-weight: bold;
    display: block;
    line-height: 1;
}

.years-text {
    font-size: 12px;
    display: block;
    margin-top: 2px;
}

.badge-labels .gold-supplier {
    color: #1e3a8a;
    font-weight: 600;
    font-size: 14px;
    display: block;
}

.certifications {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #666;
    font-size: 12px;
}

.cert-item i {
    color: #28a745;
}

/* 公司信息 */
.company-info {
    flex: 1;
    text-align: center;
}

.company-name {
    font-size: 32px;
    font-weight: 700;
    color: white;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.company-meta {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
}

.separator {
    margin: 0 8px;
    color: #ccc;
}

/* 联系动作 */
.contact-actions {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-contact {
    background: #1e3a8a;
    color: white;
}

.btn-contact:hover {
    background: #1e40af;
    color: white;
    text-decoration: none;
}

.btn-chat {
    background: #25d366;
    color: white;
}

.btn-chat:hover {
    background: #22c55e;
    color: white;
    text-decoration: none;
}

/* ===== 主导航 ===== */
.main-navigation {
    background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(30, 58, 138, 0.2);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: none;
    padding: 8px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: 0.3s;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 15px 20px;
    color: #fff;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}

.nav-link i {
    font-size: 12px;
}

/* 下拉菜单 */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1001;
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-link {
    display: block;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.dropdown-link:hover {
    background: #f8f9fa;
    color: #333;
    text-decoration: none;
}

/* 搜索框 */
.nav-search {
    margin-left: auto;
}

.search-input-group {
    display: flex;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
}

.search-input {
    border: none;
    padding: 8px 12px;
    font-size: 14px;
    width: 250px;
    outline: none;
}

.search-btn {
    background: #1e3a8a;
    border: none;
    color: white;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background: #1e40af;
}

/* ===== 首页轮播 ===== */
.hero-slider {
    position: relative;
    height: 500px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
}

.hero-text {
    color: white;
    max-width: 600px;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.hero-description {
    font-size: 16px;
    margin-bottom: 30px;
    opacity: 0.8;
}

.hero-actions {
    display: flex;
    gap: 15px;
}

.btn-primary {
    background: #1e3a8a;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(30, 58, 138, 0.2);
}

.btn-primary:hover {
    background: #1e40af;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(30, 58, 138, 0.3);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
    padding: 13px 30px;
    font-size: 16px;
}

.btn-outline:hover {
    background: white;
    color: #333;
    text-decoration: none;
}

/* 轮播控制 */
.slider-controls {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.prev-btn,
.next-btn {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.3s ease;
    pointer-events: all;
}

.prev-btn:hover,
.next-btn:hover {
    background: rgba(255,255,255,0.3);
}

.slider-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.indicator.active {
    background: white;
}

/* ===== 语言支持横幅 ===== */
.language-banner {
    background: #f8f9fa;
    padding: 20px 0;
    border-bottom: 1px solid #e5e5e5;
}

.language-grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
}

.language-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    font-size: 14px;
    font-weight: 500;
}

.flag-icon {
    width: 20px;
    height: auto;
}

/* ===== 公司概览 ===== */
.company-overview {
    background: #fff;
    padding: 60px 0;
    border-bottom: 1px solid #e5e5e5;
}

.company-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.company-meta {
    font-size: 16px;
    color: #666;
    margin-bottom: 25px;
}

.meta-item {
    font-weight: 500;
}

.meta-separator {
    margin: 0 12px;
    color: #ccc;
}

.main-products {
    font-size: 16px;
    margin-bottom: 20px;
    color: #555;
}

.business-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.badge {
    background: #e3f2fd;
    color: #1976d2;
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.badge-multilang { background: #e8f5e8; color: #2e7d32; }
.badge-oem { background: #fff3e0; color: #f57c00; }
.badge-design { background: #f3e5f5; color: #7b1fa2; }
.badge-sample { background: #e1f5fe; color: #0277bd; }

.company-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: stretch;
}

.btn-contact-large {
    background: #ff6600;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    text-align: center;
}

.btn-contact-large:hover {
    background: #e55a00;
    color: white;
    text-decoration: none;
}

.btn-order {
    background: #28a745;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    text-align: center;
}

.btn-order:hover {
    background: #218838;
    color: white;
    text-decoration: none;
}

/* ===== 特色产品 ===== */
.featured-products {
    background: #f8f9fa;
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 25px;
}

.view-all-link {
    color: #ff6600;
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: color 0.3s ease;
}

.view-all-link:hover {
    color: #e55a00;
    text-decoration: none;
}

.view-all-link i {
    margin-left: 5px;
    transition: transform 0.3s ease;
}

.view-all-link:hover i {
    transform: translateX(5px);
}

.products-grid {
    margin-top: 40px;
}

.product-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    margin-bottom: 30px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.btn-view-details {
    background: #ff6600;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.3s ease;
}

.btn-view-details:hover {
    background: #e55a00;
    color: white;
    text-decoration: none;
}

.product-info {
    padding: 20px;
}

.product-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}

.product-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title a:hover {
    color: #ff6600;
    text-decoration: none;
}

.product-price {
    margin-bottom: 12px;
}

.price-range {
    font-size: 18px;
    font-weight: 700;
    color: #ff6600;
    display: block;
}

.min-order {
    font-size: 13px;
    color: #666;
    margin-top: 4px;
}

.product-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.certified-badge {
    background: #28a745;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.sold-count {
    color: #666;
}

/* ===== 公司统计 ===== */
.company-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0;
}

.stats-grid .row {
    justify-content: center;
}

.stat-item {
    text-align: center;
    padding: 20px;
}

.stat-icon {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.stat-number {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== 关于公司预览 ===== */
.about-preview {
    background: #fff;
    padding: 80px 0;
}

.about-title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    margin-bottom: 25px;
}

.about-text {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    margin-bottom: 30px;
}

.about-features {
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    font-size: 16px;
    color: #555;
}

.feature-item i {
    color: #28a745;
    font-size: 18px;
}

.btn-learn-more {
    background: transparent;
    color: #ff6600;
    border: 2px solid #ff6600;
    padding: 12px 24px;
    font-weight: 600;
}

.btn-learn-more:hover {
    background: #ff6600;
    color: white;
    text-decoration: none;
}

.about-image img {
    border-radius: 8px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

/* ===== 底部 ===== */
.footer {
    background: #333;
    color: #ccc;
    padding: 60px 0 20px;
}

.footer-section {
    margin-bottom: 40px;
}

.footer-title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-description {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.contact-info .contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 14px;
}

.contact-item i {
    color: #ff6600;
    width: 16px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ff6600;
    text-decoration: none;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: #555;
    color: #ccc;
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #ff6600;
    color: white;
    text-decoration: none;
}

.certifications-footer .cert-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #555;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    color: #ccc;
}

.cert-badge i {
    color: #28a745;
}

.footer-bottom {
    border-top: 1px solid #555;
    padding-top: 20px;
    margin-top: 40px;
}

.copyright,
.powered-by {
    font-size: 14px;
    color: #999;
    margin: 0;
}

.powered-by {
    text-align: right;
}

.powered-by a {
    color: #ff6600;
    text-decoration: none;
}

.powered-by a:hover {
    text-decoration: underline;
}

/* ===== 首页专用样式 ===== */

/* 产品分类展示区域 */
.product-categories {
    padding: 80px 0;
    background: #fff;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.category-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(30, 58, 138, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.category-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.2);
}

.category-image {
    height: 200px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.category-card:hover .category-image img {
    transform: scale(1.05);
}

.category-info {
    padding: 25px;
}

.category-title {
    font-size: 20px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.category-desc {
    color: #64748b;
    margin-bottom: 15px;
    line-height: 1.6;
}

.category-stats {
    display: flex;
    gap: 15px;
}

.stat-item {
    background: #f1f5f9;
    color: #1e3a8a;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.view-all-products {
    text-align: center;
}

/* 公司优势区域 */
.company-advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(30, 58, 138, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 32px;
}

.advantage-title {
    font-size: 22px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.advantage-desc {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.advantage-features {
    list-style: none;
    padding: 0;
}

.advantage-features li {
    color: #475569;
    padding: 5px 0;
    position: relative;
    padding-left: 20px;
}

.advantage-features li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #1e3a8a;
    font-weight: bold;
}

/* 企业数据展示 */
.company-stats {
    padding: 60px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: white;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.stat-label {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    font-weight: 500;
}

/* 联系咨询区域 */
.contact-cta {
    padding: 80px 0;
    background: #fff;
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: 32px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.cta-subtitle {
    font-size: 18px;
    color: #64748b;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
    font-weight: 600;
}

.btn-outline {
    background: transparent;
    color: #1e3a8a;
    border: 2px solid #1e3a8a;
}

.btn-outline:hover {
    background: #1e3a8a;
    color: white;
    text-decoration: none;
}

/* ===== 产品展示页样式 ===== */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 60px 0 40px;
    text-align: center;
}

.page-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.breadcrumb {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.breadcrumb a {
    color: white;
    text-decoration: none;
}

.breadcrumb .separator {
    margin: 0 10px;
}

.breadcrumb .current {
    opacity: 0.7;
}

.page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.page-subtitle {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
}

/* 产品分类导航 */
.product-categories-nav {
    background: white;
    padding: 40px 0;
    border-bottom: 1px solid #e5e7eb;
}

.categories-nav-container {
    text-align: center;
}

.nav-title {
    font-size: 24px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 30px;
}

.categories-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.category-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    text-decoration: none;
    color: #374151;
    transition: all 0.3s ease;
    min-width: 120px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.category-nav-item:hover,
.category-nav-item.active {
    border-color: #3b82f6;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.nav-icon {
    font-size: 24px;
    margin-bottom: 10px;
}

.nav-text {
    font-weight: 600;
    margin-bottom: 5px;
}

.nav-count {
    font-size: 12px;
    opacity: 0.8;
    background: rgba(255,255,255,0.2);
    padding: 2px 8px;
    border-radius: 10px;
}

.category-nav-item.active .nav-count {
    background: rgba(255,255,255,0.3);
}

/* 产品筛选器 */
.product-filters {
    background: #f8fafc;
    padding: 30px 0;
    border-bottom: 1px solid #e5e7eb;
}

.filters-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.search-filter {
    flex: 1;
    max-width: 400px;
}

.search-box {
    position: relative;
    display: flex;
}

.search-input {
    flex: 1;
    padding: 12px 50px 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #3b82f6;
}

.search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: #3b82f6;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.search-btn:hover {
    background: #1e3a8a;
}

.sort-filter {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-filter label {
    font-weight: 500;
    color: #374151;
}

.sort-select {
    padding: 8px 12px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    background: white;
    font-size: 14px;
}

.view-toggle {
    display: flex;
    gap: 5px;
}

.view-btn {
    padding: 10px 12px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn.active,
.view-btn:hover {
    border-color: #3b82f6;
    background: #3b82f6;
    color: white;
}

/* 产品展示区域 */
.products-display {
    padding: 40px 0;
    background: white;
}

.products-grid.list-view {
    grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
    display: flex;
    align-items: center;
}

.products-grid.list-view .product-image {
    width: 200px;
    height: 150px;
    flex-shrink: 0;
}

.products-grid.list-view .product-info {
    flex: 1;
    padding: 20px 30px;
}

.product-item {
    opacity: 1;
    transition: opacity 0.3s ease;
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover .product-overlay {
    opacity: 1;
}

.overlay-buttons {
    display: flex;
    gap: 10px;
}

.product-badges {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
}

.badge-hot {
    background: #ef4444;
    color: white;
}

.badge-new {
    background: #10b981;
    color: white;
}

.product-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-desc {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-specs {
    margin-bottom: 15px;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 5px;
    font-size: 13px;
}

.spec-label {
    color: #6b7280;
    font-weight: 500;
}

.spec-value {
    color: #374151;
    font-weight: 600;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid #f3f4f6;
}

.price-label {
    font-size: 12px;
    color: #6b7280;
}

.price-value {
    font-weight: 600;
    color: #1e3a8a;
    font-size: 16px;
}

.product-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 8px;
    border: 1px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.action-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
}

.action-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

/* 分页导航 */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination-nav {
    display: flex;
}

.pagination {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 5px;
}

.page-item {
    display: flex;
}

.page-link {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    color: #374151;
    text-decoration: none;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.page-link:hover {
    background: #f3f4f6;
    border-color: #3b82f6;
    color: #3b82f6;
}

.page-item.active .page-link {
    background: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

.page-item.disabled .page-link {
    color: #9ca3af;
    cursor: not-allowed;
    background: #f9fafb;
}

.page-item.disabled .page-link:hover {
    background: #f9fafb;
    border-color: #e5e7eb;
    color: #9ca3af;
}

/* 询价弹窗 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #e5e7eb;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    border-radius: 12px 12px 0 0;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    color: white;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.modal-body {
    padding: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
    font-size: 14px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group input[readonly] {
    background: #f9fafb;
    color: #6b7280;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-actions {
    display: flex;
    gap: 15px;
    justify-content: flex-end;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.form-actions .btn {
    min-width: 100px;
}

/* 产品详情页样式 */
.product-detail-main {
    padding: 40px 0;
    background: #f8fafc;
}

.product-detail-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* 产品图片画廊 */
.product-gallery-section {
    position: sticky;
    top: 20px;
}

.main-image-container {
    position: relative;
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(30, 58, 138, 0.1);
}

.main-image-wrapper {
    position: relative;
    aspect-ratio: 1;
    background: white;
}

.main-product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.image-zoom-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: zoom-in;
}

.main-image-wrapper:hover .image-zoom-overlay {
    opacity: 1;
}

.image-zoom-overlay i {
    color: white;
    font-size: 24px;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.gallery-nav:hover {
    background: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.thumbnail-gallery {
    overflow-x: auto;
    padding: 5px 0;
}

.thumbnail-container {
    display: flex;
    gap: 12px;
    min-width: max-content;
}

.thumbnail-item {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.thumbnail-item.active {
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 产品信息区 */
.product-info-section {
    padding: 20px 0;
}

.product-header {
    margin-bottom: 30px;
}

.product-title {
    font-size: 32px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 15px;
    line-height: 1.2;
}

.product-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-quality {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.badge-export {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: white;
}

.badge-cert {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    color: white;
}

.product-meta-info {
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.meta-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid #e5e7eb;
}

.meta-item:last-child {
    border-bottom: none;
}

.meta-label {
    font-weight: 600;
    color: #374151;
}

.meta-value {
    color: #1e3a8a;
    font-weight: 500;
}

.product-summary {
    margin-bottom: 30px;
}

.product-summary h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.product-summary p {
    color: #6b7280;
    line-height: 1.6;
    font-size: 16px;
}

/* 核心特点 */
.product-highlights {
    margin-bottom: 40px;
}

.product-highlights h3 {
    font-size: 20px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 20px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-2px);
}

.highlight-item i {
    color: #3b82f6;
    font-size: 20px;
    flex-shrink: 0;
}

.highlight-content h4 {
    font-size: 14px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 4px;
}

.highlight-content p {
    font-size: 12px;
    color: #6b7280;
    margin: 0;
}

/* 产品操作区 */
.product-actions {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.action-buttons {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.action-buttons .btn {
    flex: 1;
    min-width: 120px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6b7280;
    font-size: 14px;
}

.contact-item i {
    color: #3b82f6;
    width: 16px;
}

/* 产品详细信息标签页 */
.product-details-tabs {
    padding: 60px 0;
    background: white;
}

.tabs-container {
    max-width: 1200px;
    margin: 0 auto;
}

.tab-navigation {
    display: flex;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 40px;
    overflow-x: auto;
}

.tab-btn {
    padding: 15px 25px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.tab-btn.active {
    color: #1e3a8a;
    border-bottom-color: #3b82f6;
}

.tab-btn:hover {
    color: #1e3a8a;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.content-wrapper {
    max-width: 100%;
}

/* 技术规格表格 */
.specifications-table {
    overflow-x: auto;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.spec-table th,
.spec-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.spec-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #1e3a8a;
}

.spec-table tr:hover {
    background: #f8fafc;
}

/* 应用领域网格 */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.application-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.application-card:hover {
    transform: translateY(-5px);
}

.app-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.app-icon i {
    color: white;
    font-size: 24px;
}

.application-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.application-card p {
    color: #6b7280;
    line-height: 1.5;
}

/* 认证资质网格 */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.cert-item {
    background: white;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.cert-item:hover {
    transform: translateY(-3px);
}

.cert-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
}

.cert-icon i {
    color: white;
    font-size: 20px;
}

.cert-item h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.cert-item p {
    color: #6b7280;
    font-size: 14px;
}

/* 相关产品推荐 */
.related-products {
    padding: 60px 0;
    background: #f8fafc;
}

.related-products .section-header {
    text-align: center;
    margin-bottom: 40px;
}

.related-products .section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.related-products .section-header p {
    color: #6b7280;
    font-size: 16px;
}

.products-slider .products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.related-products .product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.related-products .product-card:hover {
    transform: translateY(-5px);
}

.related-products .product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.related-products .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.related-products .product-card:hover .product-image img {
    transform: scale(1.05);
}

.related-products .product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(30, 58, 138, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.related-products .product-card:hover .product-overlay {
    opacity: 1;
}

.related-products .product-info {
    padding: 20px;
}

.related-products .product-info h3 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.related-products .product-info p {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.related-products .product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
}

.related-products .product-code {
    color: #6b7280;
}

.related-products .product-price {
    color: #3b82f6;
    font-weight: 600;
}

/* ===== 响应式设计 ===== */

/* 平板设备 */
@media (max-width: 768px) {
    .product-categories {
        flex-direction: column;
        gap: 10px;
    }
    
    .category-item {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .product-filters {
        flex-direction: column;
        gap: 15px;
    }
    
    .filter-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group label {
        margin-bottom: 5px;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .product-card {
        padding: 15px;
    }
    
    .product-title {
        font-size: 16px;
    }
    
    .product-description {
        font-size: 13px;
        -webkit-line-clamp: 2;
    }
    
    .product-specs {
        gap: 8px;
    }
    
    .spec-item {
        font-size: 12px;
        padding: 4px 8px;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .action-btn {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .pagination {
        flex-wrap: wrap;
        gap: 3px;
    }
    
    .page-link {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .modal-content {
        margin: 10% auto;
        width: 95%;
    }
    
    .modal-header {
        padding: 15px 20px;
    }
    
    .modal-header h3 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    /* 产品详情页响应式 */
    .product-detail-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .product-gallery-section {
        position: static;
    }
    
    .product-title {
        font-size: 24px;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
    }
    
    .tab-navigation {
        flex-wrap: wrap;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-slider .products-grid {
        grid-template-columns: 1fr;
    }
}

/* 手机设备 */
@media (max-width: 480px) {
    .page-header {
        padding: 20px 0;
    }
    
    .page-title {
        font-size: 24px;
    }
    
    .page-subtitle {
        font-size: 14px;
    }
    
    .product-categories {
        padding: 0 10px;
    }
    
    .category-item {
        padding: 10px 15px;
        font-size: 13px;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 10px;
    }
    
    .product-card {
        padding: 12px;
    }
    
    .product-image {
        height: 180px;
    }
    
    .product-title {
        font-size: 15px;
    }
    
    .product-description {
        font-size: 12px;
    }
    
    .product-price {
        font-size: 16px;
    }
    
    .product-specs {
        gap: 6px;
    }
    
    .spec-item {
        font-size: 11px;
        padding: 3px 6px;
    }
    
    .action-btn {
        padding: 8px 12px;
        font-size: 12px;
    }
    
    .pagination {
        justify-content: center;
    }
    
    .page-link {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 98%;
        border-radius: 8px;
    }
    
    .modal-header {
        padding: 12px 15px;
        border-radius: 8px 8px 0 0;
    }
    
    .modal-header h3 {
        font-size: 16px;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .form-group textarea {
        min-height: 80px;
    }
    
    /* 产品详情页移动端 */
    .product-detail-main {
        padding: 20px 0;
    }
    
    .product-title {
        font-size: 20px;
    }
    
    .product-badges {
        justify-content: center;
    }
    
    .thumbnail-container {
        justify-content: center;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .tab-btn {
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* 平板样式 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
    
    .banner-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .company-title {
        font-size: 28px;
    }
}

/* 手机样式 */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        width: 100%;
        background: #333;
        flex-direction: column;
        padding: 20px 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: 15px 20px;
        border-bottom: 1px solid #555;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        background: #555;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin: 0;
    }
    
    .dropdown-link {
        padding-left: 40px;
        color: #ccc;
    }
    
    .nav-search {
        margin: 20px;
        margin-left: 20px;
    }
    
    .search-input {
        width: 100%;
    }
    
    .hero-slider {
        height: 400px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn-primary,
    .btn-outline {
        text-align: center;
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .company-title {
        font-size: 22px;
    }
    
    .contact-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .company-actions {
        margin-top: 30px;
    }
    
    .language-grid {
        gap: 15px;
    }
    
    .stats-grid .col-lg-3 {
        margin-bottom: 20px;
    }
    
    .about-preview .row {
        flex-direction: column-reverse;
    }
    
    .about-image {
        margin-bottom: 30px;
    }
    
    .footer-bottom .row {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .powered-by {
        text-align: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .categories-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .cta-title {
        font-size: 24px;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
}

/* 小屏手机样式 */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .section-title {
        font-size: 20px;
    }
    
    .company-name {
        font-size: 20px;
    }
    
    .banner-content {
        padding: 0 10px;
    }
    
    .supplier-badge {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .certifications {
        justify-content: center;
    }
    
    .language-grid {
        gap: 10px;
        justify-content: space-around;
    }
    
    .language-item {
        font-size: 12px;
    }
    
    .product-card {
        margin-bottom: 20px;
    }
}

/* 关于我们页面样式 */
.company-overview-detailed {
    padding: 60px 0;
    background: white;
}

.company-overview-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.overview-content {
    padding: 20px 0;
}

.company-intro h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 30px;
}

.intro-text {
    margin-bottom: 40px;
}

.intro-text p {
    color: #6b7280;
    line-height: 1.8;
    font-size: 16px;
    margin-bottom: 20px;
}

.company-highlights {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
    transition: transform 0.3s ease;
}

.highlight-item:hover {
    transform: translateY(-3px);
}

.highlight-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon i {
    color: white;
    font-size: 20px;
}

.highlight-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 5px;
}

.highlight-content p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

.overview-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.15);
}

.overview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(30, 58, 138, 0.9));
    padding: 30px;
    color: white;
}

.overlay-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.overlay-content p {
    font-size: 16px;
    opacity: 0.9;
    margin: 0;
}

/* 企业统计数据 */
.company-statistics {
    padding: 80px 0;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    color: white;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.stat-icon i {
    font-size: 24px;
    color: white;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
    color: white;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
    font-weight: 500;
}

/* 企业信息网格 */
.company-info-section {
    padding: 80px 0;
    background: #f8fafc;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.info-card {
    background: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
}

.info-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.info-icon i {
    color: white;
    font-size: 24px;
}

.info-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.info-content p {
    color: #6b7280;
    font-size: 16px;
    margin: 0;
}

/* 主要产品展示 */
.main-products-section {
    padding: 80px 0;
    background: white;
}

.products-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.product-showcase-item {
    display: flex;
    gap: 30px;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.product-showcase-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
}

.product-image {
    width: 120px;
    height: 120px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-content {
    flex: 1;
}

.product-content .product-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.product-content .product-icon i {
    color: white;
    font-size: 16px;
}

.product-content h4 {
    font-size: 20px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.product-content p {
    color: #6b7280;
    margin-bottom: 15px;
    line-height: 1.6;
}

.product-specs {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-specs li {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 5px;
    padding-left: 15px;
    position: relative;
}

.product-specs li:before {
    content: "•";
    color: #3b82f6;
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* 质量控制部分 */
.quality-control-section {
    padding: 80px 0;
    background: #f8fafc;
}

.quality-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.quality-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 20px;
}

.quality-content p {
    color: #6b7280;
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 40px;
}

.quality-steps {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.quality-step {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.quality-step:hover {
    transform: translateX(10px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.step-content p {
    color: #6b7280;
    margin: 0;
    line-height: 1.5;
}

.quality-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(30, 58, 138, 0.15);
}

.quality-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 资质认证部分 */
.certifications-section {
    padding: 80px 0;
    background: white;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.cert-item {
    background: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    position: relative;
    overflow: hidden;
}

.cert-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
}

.cert-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #10b981, #059669);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.cert-icon i {
    color: white;
    font-size: 24px;
}

.cert-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
}

.cert-content p {
    color: #6b7280;
    margin-bottom: 15px;
    line-height: 1.5;
}

.cert-status {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* 企业优势部分 */
.company-advantages {
    padding: 80px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.advantage-item {
    background: white;
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.advantage-icon i {
    color: white;
    font-size: 24px;
}

.advantage-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 15px;
}

.advantage-item p {
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* 关于我们页面响应式设计 */
@media (max-width: 768px) {
    .company-overview-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .company-highlights {
        grid-template-columns: 1fr;
    }
    
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .products-showcase {
        grid-template-columns: 1fr;
    }
    
    .product-showcase-item {
        flex-direction: column;
        text-align: center;
    }
    
    .product-image {
        width: 100px;
        height: 100px;
        margin: 0 auto;
    }
    
    .quality-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .certifications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .company-intro h2 {
        font-size: 28px;
    }
    
    .statistics-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .quality-content h2 {
        font-size: 28px;
    }
    
    .certifications-grid {
        grid-template-columns: 1fr;
    }
    
    .quality-step {
        flex-direction: column;
        text-align: center;
    }
    
    .quality-step:hover {
        transform: translateY(-5px);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* ===== CONTACT PAGE STYLES ===== */
.contact-hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    padding: 80px 0;
    color: white;
}

.contact-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
}

.feature-item i {
    color: #60a5fa;
    font-size: 1.2rem;
}

.hero-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/* Contact Cards */
.contact-info-section {
    padding: 80px 0;
    background: #f8fafc;
}

.contact-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.contact-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border-top: 4px solid #3b82f6;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.contact-icon i {
    font-size: 1.8rem;
    color: white;
}

.contact-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 15px;
}

.contact-content p {
    color: #64748b;
    margin-bottom: 8px;
    line-height: 1.5;
}

.contact-content a {
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.contact-content a:hover {
    color: #1e40af;
}

.contact-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #e2e8f0;
}

.detail-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: #64748b;
}

.detail-item i {
    color: #3b82f6;
}

/* Inquiry Form Section */
.inquiry-form-section {
    padding: 80px 0;
    background: white;
}

.inquiry-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
}

.inquiry-header {
    margin-bottom: 40px;
}

.inquiry-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.inquiry-header p {
    font-size: 1.1rem;
    color: #64748b;
    line-height: 1.6;
}

.inquiry-form {
    background: #f8fafc;
    padding: 40px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-check-input {
    margin-top: 4px;
}

.form-check-label {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.5;
}

.form-check-label a {
    color: #3b82f6;
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

.form-actions {
    margin-top: 30px;
    text-align: center;
}

.form-note {
    margin-top: 15px;
    font-size: 0.9rem;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-note i {
    color: #10b981;
}

/* Inquiry Sidebar */
.inquiry-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 4px solid #3b82f6;
}

.sidebar-widget h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 20px;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.advantage-item i {
    color: #3b82f6;
    font-size: 1.3rem;
    margin-top: 2px;
}

.advantage-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.advantage-item p {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.4;
}

.response-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.timeline-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.timeline-icon i {
    color: white;
    font-size: 1rem;
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.timeline-content p {
    font-size: 0.9rem;
    color: #64748b;
    line-height: 1.4;
}

.quick-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-contact-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.quick-contact-btn.phone {
    background: #10b981;
    color: white;
}

.quick-contact-btn.phone:hover {
    background: #059669;
    color: white;
}

.quick-contact-btn.whatsapp {
    background: #25d366;
    color: white;
}

.quick-contact-btn.whatsapp:hover {
    background: #22c55e;
    color: white;
}

.quick-contact-btn.email {
    background: #3b82f6;
    color: white;
}

.quick-contact-btn.email:hover {
    background: #2563eb;
    color: white;
}

/* Company Location */
.company-location {
    padding: 80px 0;
    background: #f8fafc;
}

.location-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.location-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.location-content p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 40px;
    line-height: 1.6;
}

.location-details {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 40px;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.detail-item i {
    color: #3b82f6;
    font-size: 1.3rem;
    margin-top: 2px;
}

.detail-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.detail-item p {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.5;
    margin: 0;
}

.location-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
}

.location-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.location-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    padding: 30px;
    color: white;
}

.overlay-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 5px;
}

.overlay-content p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin: 0;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #d1fae5;
    border: 1px solid #a7f3d0;
    color: #065f46;
}

.alert-success i {
    color: #10b981;
}

/* Contact Page Responsive */
@media (max-width: 768px) {
    .contact-hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .hero-text h2 {
        font-size: 2rem;
    }
    
    .contact-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .inquiry-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .inquiry-form {
        padding: 25px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .location-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .location-content {
        text-align: center;
    }
    
    .location-details {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        padding: 60px 0;
    }
    
    .hero-text h2 {
        font-size: 1.8rem;
    }
    
    .contact-card {
        padding: 30px 20px;
    }
    
    .inquiry-header h2 {
        font-size: 1.8rem;
    }
    
    .location-content h2 {
        font-size: 1.8rem;
    }
    
    .sidebar-widget {
        padding: 20px;
    }
}

/* ===== 产品分类加载状态样式 ===== */
.loading-placeholder {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: #64748b;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #e2e8f0;
    border-top: 3px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-placeholder p {
    margin: 0;
    font-size: 16px;
    color: #64748b;
}

/* 确保网格布局适应动态内容 */
.categories-grid {
    min-height: 300px;
}

/* ===== 产品页面样式 ===== */

/* 面包屑导航 */
.breadcrumb-section {
    background: #f8fafc;
    padding: 20px 0;
    border-bottom: 1px solid #e5e7eb;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #6b7280;
}

.breadcrumb-item {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item:hover {
    color: #1e40af;
    text-decoration: none;
}

.breadcrumb-item.current {
    color: #374151;
    font-weight: 500;
}

.breadcrumb-separator {
    color: #9ca3af;
    font-weight: 500;
}

/* 产品页面主体 */
.products-main {
    padding: 40px 0;
    background: #f8fafc;
    min-height: calc(100vh - 200px);
}

.products-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
}

/* 左侧筛选栏 */
.products-sidebar {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 35px;
    padding-bottom: 25px;
    border-bottom: 1px solid #e5e7eb;
}

.sidebar-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.sidebar-title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: linear-gradient(135deg, #3b82f6, #1e3a8a);
    border-radius: 2px;
}

/* 分类筛选 */
.category-filters, .price-filters {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.filter-checkbox:hover {
    background: #f1f5f9;
    border-color: #e2e8f0;
}

.filter-checkbox input[type="radio"] {
    margin: 0;
    accent-color: #3b82f6;
}

.filter-checkbox input[type="radio"]:checked + span {
    color: #1e3a8a;
    font-weight: 500;
}

.filter-checkbox span {
    color: #374151;
    font-size: 14px;
    transition: color 0.3s ease;
}

/* 价格区间筛选 */
.price-range {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* 联系信息卡片 */
.contact-info {
    background: linear-gradient(135deg, #1e3a8a, #3b82f6);
    border-radius: 12px;
    padding: 20px;
    color: white;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 14px;
}

.contact-item:last-child {
    margin-bottom: 15px;
}

.contact-item i {
    color: #93c5fd;
    width: 16px;
    text-align: center;
}

.btn-full {
    width: 100%;
    justify-content: center;
    margin-top: 10px;
}

/* 右侧产品内容区 */
.products-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

/* 产品列表头部 */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px;
    border-bottom: 1px solid #e5e7eb;
    background: white;
    flex-wrap: wrap;
    gap: 20px;
}

.products-info h1 {
    font-size: 28px;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 8px;
}

.products-count {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

.products-count span {
    color: #3b82f6;
    font-weight: 600;
}

.products-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sort-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-options label {
    color: #374151;
    font-weight: 500;
    font-size: 14px;
}

.sort-select {
    padding: 8px 12px;
    border: 2px solid #e5e7eb;
    border-radius: 6px;
    background: white;
    color: #374151;
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.sort-select:focus {
    outline: none;
    border-color: #3b82f6;
}

.view-options {
    display: flex;
    gap: 5px;
}

.view-btn {
    padding: 8px 10px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 16px;
}

.view-btn.active,
.view-btn:hover {
    border-color: #3b82f6;
    background: #3b82f6;
    color: white;
}

/* 产品网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    padding: 30px;
    min-height: 400px;
}

.products-grid.list-view {
    grid-template-columns: 1fr;
}

.products-grid.list-view .product-card {
    display: flex;
    align-items: stretch;
    height: auto;
    max-width: none;
}

.products-grid.list-view .product-image {
    width: 220px;
    height: 160px;
    flex-shrink: 0;
}

.products-grid.list-view .product-info {
    flex: 1;
    padding: 20px 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.products-grid.list-view .product-title {
    font-size: 20px;
    margin-bottom: 12px;
}

.products-grid.list-view .product-desc {
    -webkit-line-clamp: 3;
    margin-bottom: 15px;
}

/* 产品卡片 */
.product-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(30, 58, 138, 0.15);
    border-color: #3b82f6;
}

.product-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #f8fafc;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.05);
}

.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-draft {
    background: #f59e0b;
    color: white;
}

.badge-new {
    background: #10b981;
    color: white;
}

.badge-hot {
    background: #ef4444;
    color: white;
}

.badge-featured {
    background: #3b82f6;
    color: white;
}

.product-info {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 16px;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-desc {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 15px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.product-details {
    margin-bottom: 20px;
    padding-top: 15px;
    border-top: 1px solid #f3f4f6;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

.detail-item:last-child {
    margin-bottom: 0;
}

.detail-item span {
    color: #6b7280;
    font-weight: 500;
}

.detail-item strong {
    color: #1e3a8a;
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.product-actions .btn {
    flex: 1;
    font-size: 13px;
    padding: 10px 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.product-actions .btn i {
    font-size: 12px;
}

/* 无产品状态 */
.no-products {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: #6b7280;
}

.no-products i {
    font-size: 48px;
    color: #d1d5db;
    margin-bottom: 20px;
}

.no-products h3 {
    font-size: 20px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 10px;
}

.no-products p {
    font-size: 16px;
    margin: 0;
}

/* 分页 */
.pagination-wrapper {
    padding: 30px;
    border-top: 1px solid #e5e7eb;
    background: white;
    display: flex;
    justify-content: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .products-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .products-sidebar {
        position: static;
        max-height: none;
        padding: 20px;
    }
    
    .sidebar-section {
        margin-bottom: 25px;
        padding-bottom: 20px;
    }
    
    .products-header {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .products-actions {
        justify-content: space-between;
        flex-wrap: nowrap;
    }
}

@media (max-width: 768px) {
    .products-main {
        padding: 20px 0;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        padding: 20px;
    }
    
    .products-header {
        padding: 20px;
    }
    
    .products-info h1 {
        font-size: 24px;
    }
    
    .sort-options {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .sort-options label {
        font-size: 13px;
    }
    
    .products-actions {
        flex-direction: column;
        gap: 15px;
    }
    
    .view-options {
        align-self: center;
    }
    
    .products-grid.list-view .product-card {
        flex-direction: column;
    }
    
    .products-grid.list-view .product-image {
        width: 100%;
        height: 200px;
    }
    
    .contact-info {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .products-header {
        padding: 15px;
    }
    
    .products-info h1 {
        font-size: 20px;
    }
    
    .product-card {
        margin-bottom: 0;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .product-actions .btn {
        width: 100%;
    }
    
    .breadcrumb-section {
        padding: 15px 0;
    }
    
    .breadcrumb-nav {
        font-size: 13px;
    }
    
    .sidebar-section {
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    
    .sidebar-title {
        font-size: 16px;
    }
}